---
title: "IS.AR.100 Scope — Implementing Regulation (EU) 2023/203, Part-IS · Avioverse"
description: "This Part establishes the management requirements to be met by the competent authorities referred to in Article 2(2) of this Regulation."
url: "https://avioverse.aero/regulations/easa/part-is/implementing-regulation-eu-2023-203/annex-i-information-security-authority/is-ar-100"
---

# IS.AR.100 Scope

Implementing Regulation (EU) 2023/203 · Regulations (EU) 2023/203 and 2022/1645 · EAR revision 5 Dec 2025

Official sources: [EASA Easy Access Rules (opens in a new tab)](https://www.easa.europa.eu/en/document-library/easy-access-rules/easy-access-rules-information-security-regulations-eu-2023203-and-20221645) · [EUR-Lex 2023/203 (opens in a new tab)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32023R0203) · [EUR-Lex 2022/1645 (opens in a new tab)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32022R1645)

IR Implementing rule

## IS.AR.100 Scope

This Part establishes the management requirements to be met by the competent authorities referred to in Article 2(2) of this Regulation.

The requirements to be met by those competent authorities for the performance of their certification, oversight and enforcement activities are contained in the Regulations referred to in Article 2(1) of this Regulation and in Article 2 of Delegated Regulation (EU) 2022/1645.

IR · IS.AR.100 — Regulations (EU) 2023/203 and 2022/1645 · Regulation (EU) 2023/203 · Part-IS Easy Access Rules · EAR revision 5 Dec 2025

[All rules in ANNEX I — INFORMATION SECURITY — AUTHORITY REQUIREMENTS \[PART-IS.AR\]](https://avioverse.aero/regulations/easa/part-is/implementing-regulation-eu-2023-203/annex-i-information-security-authority)

Consolidated from the EASA Easy Access Rules (revision 5 Dec 2025, extracted 2 Nov 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.